U.S. Department of Labor. "Information Concerning Entry of Mexican Agricultural Workers Into the United States." BES No. F-146, 1957 June

U.S. Department of Labor. "Information Concerning Entry of Mexican Agricultural Workers Into the United States." BES No. F-146, 1957 June, Box: 207, Folder: 7. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389975 Accessed September 27, 2026.